7a323fef1b5deb2a6e9fbedb2845a22d4074040e0d98167ea68b92f83718d38d

Analysis

max time kernel
135s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2024 15:14

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General

Target

6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
Size

13KB
MD5

6817c052cb057b5b26a6d722d5dd0e6a
SHA1

d87929cad62bea0d7fdbdfef72a281bd266d9ff8
SHA256

7a323fef1b5deb2a6e9fbedb2845a22d4074040e0d98167ea68b92f83718d38d
SHA512

6fdfa187a1eae3997b5daf8a1f2620809f0a47ac5a374669c8dee419f788d81cc99bc2d100ed1b801ce95a97401c06019c4af5f4b4ab6dacf013ae1b1cafbf7b
SSDEEP

192:KMn7uiyzG/jGpatOcTOJdCVHwJkjV6eSl/TiJL/GhaQ3uicEQz4n8zHx8D538j/+:Kc9olptcTOJKwiJeGJGhdXQUgHxqK+

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\kbdswjr.dll = "{00120012-0012-0012-0012-00120012BB15}"	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\kbdswjr.tmp	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kbdswjr.nls	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kbdswjr.tmp	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00120012-0012-0012-0012-00120012BB15}	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00120012-0012-0012-0012-00120012BB15}\InProcServer32	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00120012-0012-0012-0012-00120012BB15}\InProcServer32\ = "C:\\Windows\\SysWow64\\kbdswjr.dll"	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00120012-0012-0012-0012-00120012BB15}\InProcServer32\ThreadingModel = "Apartment"	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1344	3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe	97
PID 3040 wrote to memory of 1344	3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe	97
PID 3040 wrote to memory of 1344	3040	6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6817c052cb057b5b26a6d722d5dd0e6a_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\6889.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6889.tmp.bat

Filesize
207B

MD5
40e59d8d4d255a8c3a19ad0bc949719f

SHA1
04546c251644ab814c1528559188c1bbeafc6bfa

SHA256
79be68884120afe46444238bdafc731c926530b82a3f8cfd22267a08a454e206

SHA512
aba980f2c50a81f61af4562b97e09ebae346eb2d6c1f73767c97ea2a70074b1d5b4c34b0409a78b227e8d1000ab14bd4431890a53d3a39a4a888f09e2e7a5be5

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C:\Windows\SysWOW64\kbdswjr.tmp

Filesize
808KB

MD5
e9eea9be4be0c7cf01be4531ce28ffa8

SHA1
dc494d951f2f1c34ce965a7ce390f314ae6fed93

SHA256
96e31e536c18ef26b6ba2c6b2fdbf42778a39359a024b743380be98879e2724d

SHA512
ca8f7428ef995034729e74fb47091c281fdd1c288246a7293cffa9921ab4f3ec4b7bf918355aa5a9e2ff7eeb6d0ac9d8d4b9c982da1d5a1cece7d7c1531c3b79

Download Submit